1. a) around Europe
b) the longest river of the RF
c) has been to Englald, France, Switzerland and the Netherlands
d) think St. Petersburg is one of the most beautiful cities in the world.
e) the name of Queen of the UK
f) speaks English and French.
2. a) A lot of apples were brought to us by our grandfather.
b) English is well-spoken by many pupils of our school.
c) A lot of wonderful poems were written by Pushkin.
d) The rooms will be cleaned tomorrow.
e) Flowers were sent to his wife by John.
f) Newspapers are brought to us by a postman every day.
3. a) which
b) which
c) who
d) which
e) which
f) who
j) who